Added AboutWindow work

Unity/Assets/JCMG/Curves/Scripts/Editor/MenuItems.cs

@@ -20,5 +20,27 @@ internal static void CreateBezierSpline()
 
 			EditorGUIUtility.PingObject(obj.gameObject);
 		}
+
+		[MenuItem("Tools/JCMG/Curves/Submit bug or feature request")]
+		internal static void OpenURLToGitHubIssuesSection()
+		{
+			const string GITHUB_ISSUES_URL = "https://github.com/jeffcampbellmakesgames/unity-curves/issues";
+
+			Application.OpenURL(GITHUB_ISSUES_URL);
+		}
+
+		[MenuItem("Tools/JCMG/Curves/Donate to support development")]
+		internal static void OpenURLToKoFi()
+		{
+			const string KOFI_URL = "https://ko-fi.com/stampyturtle";
+
+			Application.OpenURL(KOFI_URL);
+		}
+
+		[MenuItem("Tools/JCMG/Curves/About")]
+		internal static void OpenAboutModalDialog()
+		{
+			AboutWindow.View();
+		}
 	}
 }

Unity/Assets/JCMG/Curves/Scripts/Editor/VersionConstants.cs

@@ -0,0 +1,11 @@
+namespace JCMG.Curves.Editor
+{
+	/// <summary>
+	/// Version info for this library.
+	/// </summary>
+	internal static class VersionConstants
+	{
+		// Version
+		public const string VERSION = "1.1.1";
+	}
+}

Unity/Assets/JCMG/Curves/Scripts/Editor/Window/AboutWindow.cs

@@ -0,0 +1,126 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace JCMG.Curves.Editor
+{
+	/// <summary>
+	/// A window that shows information about the library and its contributors.
+	/// </summary>
+	internal sealed class AboutWindow : EditorWindow
+	{
+		#pragma warning disable 0649
+
+		[SerializeField]
+		private Texture2D _socialShareImage;
+
+		[SerializeField]
+		private Texture2D _portraitImage;
+
+		#pragma warning restore 0649
+
+		private const string WINDOW_TITLE = "JCMG Curves";
+		private const string VERSION_LABEL = "Version:";
+		private const string GITHUB_LABEL = "GitHub:";
+		private const string KOFI_LABEL = "KOFI:";
+		private const string TWITTER_LABEL = "Twitter:";
+
+		private const string GITHUB_URL = "https://github.com/jeffcampbellmakesgames";
+		private const string KOFI_URL = "https://ko-fi.com/stampyturtle";
+		private const string TWITTER_URL = "https://twitter.com/StampyTurtle";
+
+		private const string SHARE_MESSAGE = "Hi there! My name is Jeff Campbell and I make open source tools for game " +
+		                                     "developers.\n\nIf you enjoy using this tool and want to support its development " +
+		                                     "and other high-quality, free open-source tools, follow me on Twitter, " +
+		                                     "GitHub, and consider buying me a coffee on Ko-Fi.";
+
+		public static void View()
+		{
+			var window = CreateInstance<AboutWindow>();
+			window.minSize = new Vector2(512f, 490f);
+			window.maxSize = window.minSize;
+			window.titleContent = new GUIContent(WINDOW_TITLE);
+			window.position = new Rect(
+				Screen.currentResolution.width / 2f,
+				Screen.currentResolution.height / 2f,
+				0f,
+				0f);
+			window.ShowUtility();
+		}
+
+		private void OnGUI()
+		{
+			// JCMG Share Image
+			if (_socialShareImage != null)
+			{
+				GUILayout.Label(_socialShareImage);
+
+				DrawSeparator();
+			}
+
+			// COC Version
+			using (new EditorGUILayout.HorizontalScope())
+			{
+				EditorGUILayout.LabelField(VERSION_LABEL, EditorStyles.boldLabel, GUILayout.Width(75f));
+				EditorGUILayout.LabelField(VersionConstants.VERSION);
+			}
+
+			DrawSeparator();
+
+			// Share message and portrait
+			using (new EditorGUILayout.HorizontalScope())
+			{
+				if (_portraitImage != null)
+				{
+					GUILayout.Label(_portraitImage, GUILayout.Width(96f), GUILayout.Height(96f));
+				}
+				EditorGUILayout.SelectableLabel(SHARE_MESSAGE, EditorStyles.textArea, GUILayout.Height(96f));
+			}
+
+			// Links for Github, KoFi, and Twitter
+			var originalColor = GUI.contentColor;
+
+			// Twitter
+			using (new EditorGUILayout.HorizontalScope())
+			{
+				EditorGUILayout.LabelField(TWITTER_LABEL, EditorStyles.boldLabel, GUILayout.Width(75f));
+				GUI.contentColor = Color.cyan;
+				if (GUILayout.Button(TWITTER_URL, GUI.skin.label))
+				{
+					Application.OpenURL(TWITTER_URL);
+				}
+
+				GUI.contentColor = originalColor;
+			}
+
+			// Github
+			using (new EditorGUILayout.HorizontalScope())
+			{
+				EditorGUILayout.LabelField(GITHUB_LABEL, EditorStyles.boldLabel, GUILayout.Width(75f));
+				GUI.contentColor = Color.cyan;
+				if (GUILayout.Button(GITHUB_URL, GUI.skin.label))
+				{
+					Application.OpenURL(GITHUB_URL);
+				}
+				GUI.contentColor = originalColor;
+			}
+
+			// KOFI
+			using (new EditorGUILayout.HorizontalScope())
+			{
+				EditorGUILayout.LabelField(KOFI_LABEL, EditorStyles.boldLabel, GUILayout.Width(75f));
+				GUI.contentColor = Color.cyan;
+				if (GUILayout.Button(KOFI_URL, GUI.skin.label))
+				{
+					Application.OpenURL(KOFI_URL);
+				}
+
+				GUI.contentColor = originalColor;
+			}
+		}
+
+		private void DrawSeparator()
+		{
+			GUILayout.Box(string.Empty, GUILayout.ExpandWidth(true), GUILayout.Height(1));
+		}
+	}
+}